or just go here: http://wiki.rubikintegration.com/zen...u/installation instead of searching through a several hundred page thread. But, the version of SSU in the zencart site is 3-5-8, whereas latest SSU is 3.6.6, so maybe they won't work if you try it with a 3-5-8 install. To get 3.6.6, you have to provide name, mailing address, etc. even though it's 'free'